Genuine Parts. Lowest Prices. Compatibility Guaranteed.

Bulk Order
Search Bar 3
Air Intake & Fuel Delivery
Brakes
Cooling Systems
Engine Components
Gaskets
Lighting
Suspension & Steering
Wheels, Tires & Parts
Interior Accessories
Exterior Accessories
Home Categories Emission Systems Emission Modules & Control Units GM 12596740

Heated Oxygen Sensor - GM (12596740)

Heated Oxygen Sensor - GM (12596740)

Heated Oxygen Sensor - GM (12596740)

  • MSRP: $113.11
  • Discount: $50.33 (44.5% off)
  • Sale Price: $62.78
OR
Ships To
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    12596740

  • Positions: Rear
  • Other Names:

    Oxygen Sensor, 1011

  • Description:
    ACDelco Heated Oxygen Sensor (Part Number: 12596740) is an oxygen (O2) sensor with integrated heater used to monitor exhaust oxygen content and help control emissions.
    • Function: Detects oxygen levels in exhaust gases and provides feedback to the engine control system for air/fuel and emissions control.
    • Application: Rear-position heated oxygen sensor for specified Hummer H3 3.5L and 3.7L applications.
    • Important: May require special setup or calibration; follow GM Service Information for proper installation and any programming steps.
    • Benefit: Restores accurate exhaust monitoring for optimal engine performance and emissions compliance.

    World Parts Direct is an American enterprise providing competitive prices, a compatibility guarantee, expert help, and OEM-backed warranty coverage.
  • Condition: New
Warning WARNING: California Proposition 65

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Next Day Parts

Welcome to nextdayparts.com — home of the Low-Price and Right-Part Guarantee. We offer genuine OEM parts for General Motors and MOPAR vehicles, shipped directly to your door. Enjoy unmatched convenience, incredible savings, and reliable, human support. 

Every part we sell is brand new, in the manufacturer’s original packaging, and backed by the full factory warranty. These are the exact same parts installed at the factory — no substitutes, no guesswork.

Whether you're ordering for routine maintenance, collision repair, or a full restoration, our expert team is here to help. We offer a free compatibility guarantee when a VIN is provided, ensuring you get the right part the first time.

Have questions? Our parts professionals are ready to assist by phone, text, or email. We ship to more than 220 countries worldwide and are proud to serve both everyday drivers and automotive professionals.

GM

Shop authentic OEM MOPAR & GM products. Keep your vehicle running at its best by using only authentic OEM parts.